Du Bois. The Problem of the Color Line at the Turn of the Twentieth Century. Fordham University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDu Bois. The Problem of the Color Line at the Turn of the Twentieth Century. Fordham University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDu Bois. The Problem of the Color Line at the Turn of the Twentieth Century. Fordham University Press.
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